<div id="personal-info" class="table-responsive">
    <h2>个人信息更改</h2>
    <div>
        <label for="userId">输入用户 ID:</label>
        <input type="text" id="userId" placeholder="请输入用户 ID">
        <button id="loadInfo">加载个人信息</button>
    </div>

    <form>
        <div class="form-group">
            <label for="username">用户名</label>
            <input type="text" class="form-control" id="username" placeholder="请输入用户名">
        </div>
        <div class="form-group">
            <label for="email">邮箱</label>
            <input type="email" class="form-control" id="email" placeholder="请输入邮箱">
        </div>
        <div class="form-group">
            <label for="password">密码</label>
            <input type="password" class="form-control" id="password" placeholder="请输入密码">
        </div>
        <div class="form-group">
            <label for="institution">所属院校</label>
            <input type="text" class="form-control" id="institution" placeholder="请输入所属院校">
        </div>
        <button type="submit" class="btn btn-primary">提交</button>
        <button type="button" class="btn btn-danger" id="deleteUser">注销</button>
    </form>
</div>